Butch,
All these guys have hit some goods points. Like MMT said it's all about the hooks getting wet. If you make a point "never" to put a wet hook or lure back into the case with the others, you'll avoid this problem all together. I find that if I stick them in a piece of foam to dry, or pile them up away from the dry ones, I never get around to sorting out the hooks later. I have just opted to through away the old bronze hooks and hang dry any crankbaits. Also, MMT mentioned different finishes on hooks that will avoid rusting. I know that the black pearl and nickel Teflon hooks I have used from Eagle Claw never rust up on me. There are a few different companies out there making hooks with these types of finishes to them. It’s just another option for you.
BC
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Brendan C.